Thank you, I am doing the same kit on a stock KLX 140L, watching you video helped me, I had the jet needle installed incorrectly. I had the ering above the spring plate rather than below. The engine kept dying after 1/4 throttle.
Okay cool. I saw a few other videos and will give that a shot tomorrow. Shouldn’t be too bad. Otherwise mine ran quite well and really woke up the 140. Excited to ride it.
Aw man that sucks, that the head is stripped I have a FMF slip on. Would you recommend I do a 150 jet too? I got the kit ordered but I’m confused on what jets I should use, and id love to get a big bore kit video!
Yeap it sucks. Threads got into the cylinder so had to tear down either way. I would start with the 140 and see what the plug looks like, 150 was really black. Black too rich, you want chocolate brown. I am in process of the big bore install. Had to order custom flywheel puller.
@@SwareInGa ahhh i see, did you have to mess with the pilot jet at all or just the main and depending on my spark plug is how I should determine my jet so let’s say my spark plug is is black would I go up in jets or down but let’s say if my spark plug was lighter than brown would I go up or would I go down? And I’ve seen some other videos where people run the stock main jet that comes to the carb and they say it runs great but I honestly have no clue carbs confuse me. 😅
@@quinn3722 Yes dark means rich so go smaller. Carb comes with 190 which is pretty large. Running rich is not a bad thing other than carbon build up. But, lean is bad for the motor. Everyone states stock pilot is fine.
I did the swap with a stock 140, it has a lot more power than before but, when I quickly rev the throttle from idle, it dies. I put a 140 main jet in. Do you have any suggestions?
@@SwareInGa I put a 180 jet and a 27.5 pilot jet and it helped a little, but the throttle still bogs from a quick W.O.T., so i don't know what else i have to do. The spark plug looks brownish(no excess of black or white), and the engine runs very well top end, but a quick snap of the throttle completely kills the engine as if a kill switch were hit.
@@DONATHAN-cleanmusic might need to lean the air screw. Also try going up one notch on the needle. I’m still struggling with mine but 60psi could be my problem
